/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.features.registries;

import java.util.HashMap;
import java.util.Map;

import net.minecraftforge.common.MinecraftForge;

import appeng.api.events.LocatableEventAnnounce;
import appeng.api.events.LocatableEventAnnounce.LocatableEvent;
import appeng.api.features.ILocatable;
import appeng.api.features.ILocatableRegistry;
import appeng.util.Platform;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;

public final class LocatableRegistry implements ILocatableRegistry {

    private final Map<Long, ILocatable> set;

    public LocatableRegistry() {
        this.set = new HashMap<>();
        MinecraftForge.EVENT_BUS.register(this);
    }

    @SubscribeEvent
    public void updateLocatable(final LocatableEventAnnounce e) {
        if (Platform.isClient()) {
            return; // IGNORE!
        }

        if (e.change == LocatableEvent.Register) {
            this.set.put(e.target.getLocatableSerial(), e.target);
        } else if (e.change == LocatableEvent.Unregister) {
            this.set.remove(e.target.getLocatableSerial());
        }
    }

    /**
     * Find a locate-able object by its serial.
     */
    @Override
    @Deprecated
    public Object findLocatableBySerial(final long ser) {
        return this.set.get(ser);
    }

    @Override
    public ILocatable getLocatableBy(final long serial) {
        return this.set.get(serial);
    }
}
